%0 Journal Article %A E. V. Mamontov %T Strong discontinuities in 2-submodels of class $E$~of gas dynamic equations %J Sibirskij žurnal industrialʹnoj matematiki %D 2004 %P 111-118 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2004_7_3_a11/ %G ru %F SJIM_2004_7_3_a11